Home / 1,130,105.72-1,559,955.30-748,255.52

Finding the Fourth Proportional to 1,130,105.72, 1,559,955.30 and 748,255.52

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Solution

The fourth proportional to 1,130,105.72, 1,559,955.30 and 748,255.52 is: 1,032,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,105.72 : 1,559,955.30 = 748,255.52 : x
  2. Step 2: Convert to fraction form
    1,130,105.72/1,559,955.30 = 748,255.52/x
  3. Step 3: Cross multiply
    1,130,105.72x = 1,559,955.30 × 748,255.52
  4. Step 4: Simplify right side
    1,130,105.72x = 1,167,245,164,178.26
  5. Step 5: Solve for x
    x = 1,167,245,164,178.26/1,130,105.72
  6. Step 6: Final answer
    x = 1,032,863.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.